Eryngium planum

$4.00

Sea Holly is a stunning perennial with striking metallic-blue color and bold structural form. It bursts onto the summer scene with a sea of small, cone-shaped flower heads, each surrounded by a collar of spiny, electric-blue bracts that shimmer in the sun. The blooms appear on branching silvery-blue stems, giving the entire plant a cool, metallic glow from mid to late summer. Even after blooming, the dried flower heads remain architectural and striking, adding long-lasting texture and drama to your garden—and making excellent additions to dried floral arrangements.

Sea Holly is a stunning perennial with striking metallic-blue color and bold structural form. It bursts onto the summer scene with a sea of small, cone-shaped flower heads, each surrounded by a collar of spiny, electric-blue bracts that shimmer in the sun. The blooms appear on branching silvery-blue stems, giving the entire plant a cool, metallic glow from mid to late summer. Even after blooming, the dried flower heads remain architectural and striking, adding long-lasting texture and drama to your garden—and making excellent additions to dried floral arrangements.

  • zone: 5 - 9

  • height: 2 - 3 ft

  • bloom time: jun - sep

  • sun: full sun

  • water: dry

  • habitat value: nectar resource for bees and butterflies